Electronics answers level 11-20

Electronics answers level 11 : gps
Electronics answers level 12 : game controller
Electronics answers level 13 : metal detector
Electronics answers level 14 : jukebox
Electronics answers level 15 : vcr
Electronics answers level 16 : mp3 player
Electronics answers level 17 : electric razor
Electronics answers level 18 : bluray player
Electronics answers level 19 : microphone
Electronics answers level 20 : SMARTWATCH